Computer Knowledge Practice Question and Answer
8 Q: The primary purpose of a computer is to process _______ and convert it into information.
733 064a533f8b394764d11b170e7
64a533f8b394764d11b170e7- 1Electricityfalse
- 2Datatrue
- 3Raw materialfalse
- 4Waterfalse
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Answer : 2. "Data"
Explanation :
1. The primary purpose of a computer is to process data and convert it into information. Data is defined as unprocessed information, which is then processed or structured to provide meaningful results. Information is defined as data that can be used for a specific purpose.
2. Computers process data in the following ways-
- Input: Computers receive data through input devices, such as a keyboard, mouse, or camera.
- Processing: Computers process data through processors. The processor operates on data according to a set of instructions.
- Output: Computers display data through output devices, such as monitors, printers, or speakers.
Q: Which of the following CPU is part of?
732 061cdbd1cedcf9307082e5f0f
61cdbd1cedcf9307082e5f0f- 1ALU, CUtrue
- 2ALU, Mousefalse
- 3ALU, ICfalse
- 4CU, CUfalse
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Answer : 1. "ALU, CU"
Q: Mainly educational computer is used for -
731 063aae2d75770eb565d528375
63aae2d75770eb565d528375- 1For research equipmentfalse
- 2For teacher learningfalse
- 3For management toolsfalse
- 4All of the abovetrue
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Answer : 4. "All of the above"
Q: Writing set of instruction to run a software
730 062cfd4fa31b6d20155395006
62cfd4fa31b6d20155395006- 1Codingtrue
- 2Bufferingfalse
- 3Decodingfalse
- 4Amplifyingfalse
- 5Debuggingfalse
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Answer : 1. "Coding "
Q: The main aim of the ........ system is to dissipate the heat from CPU to the surrounding air.
730 063ac1789fb04114b2d3bab79
63ac1789fb04114b2d3bab79- 1SMPSfalse
- 2cpu-heatsinktrue
- 3cpu-air conditionerfalse
- 4RAMfalse
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Answer : 2. "cpu-heatsink "
Q: Which of the following will not advance the slide in the slide show view?
726 064a52a46aa4c004ce31c6099
64a52a46aa4c004ce31c6099- 1Esc keytrue
- 2Enter keyfalse
- 3Spacebarfalse
- 4Mouse buttonfalse
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Answer : 1. "Esc key"
Explanation :
1. The Esc key will not advance the slide in the slideshow view.
2. There is a button on the left side of the keyboard which is called “ESC Key”. This key is right next to the Functions Keys.
3. It is mostly used to cancel a command. As-
- An open Dialog Box can also be closed with the Escape key without using the mouse.
- A website being loaded in a browser can be cancelled by using the Escape key. That is, the website is not allowed to load.
- It is also used in many games to cancel Kari.
- The videos shown on the full screen of the media player can be opened in normal mode by using the Escape key.
- It is also used to cancel a wrong entry in an input field.
- Open Start Menu or PullDown Menu can be closed quickly by Esc key.
Q: If you want to repeat row/column on all pages during printing in MS Excel 2010, you can use:
720 0649412efab3c5fffc2ccc486
649412efab3c5fffc2ccc486- 1page orientationfalse
- 2page sizefalse
- 3print titlestrue
- 4Scale to fitfalse
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Answer : 3. "print titles"
Explanation :
1. If you want to repeat the row/column on all pages while printing in MS Excel 2010 then you can use Print Titles.
Q: Which statement is true for Router and Wretch?
718 063edfee03c221e1b4dd138d6
63edfee03c221e1b4dd138d6- 1Wretch connects two networks at data link layerfalse
- 2Router is more usefulfalse
- 3Router connects two networks at the Network Layer.false
- 4both (a) and (c)true
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